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Radiant|Lab Grown|IGI

1.26ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG818639804

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG818639804

Diamond specifications and retailer prices

From $419 NZD
$236 USD
As of November 2, 2026
Save $3,597 NZD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,328 NZD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.26ct lab-grown radiant diamond

This 1.26ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818639804 or 818639804. Listed at 11 retailers as of November 1, 2026, with a 858% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818639804
Dimensions7.74 × 5.33 × 3.55 mm
L/W Ratio1.45
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.74 mm5.33 mm1.26 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818639804
Side View
Table 64.0%Crown 42°Girdle: MediumPavilion 35°Culet: NoneDepth 66.6%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $4,328 NZD|Low: $419 NZD|High: $5,758 NZD|Avg: $1,960 NZD|+5.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 13$419 NZD
Retailer 8$475 NZD
Retailer 16$485 NZD
Retailer 12$535 NZD
Retailer 2$590 NZD
Retailer 20$876 NZD
Retailer 7$1,201 NZD
Retailer 9$1,346 NZD
Retailer 6$1,378 NZD
Retailer 5$1,461 NZD
Retailer 10$1,546 NZD
Retailer 4$1,617 NZD
Retailer 19$1,674 NZD
Retailer 15$1,843 NZD
Retailer 3$1,933 NZD
Retailer 14$2,298 NZD
Retailer 11$2,748 NZD
Retailer 17$3,519 NZD
Retailer 18$4,017 NZD
Rare Carat$4,328 NZD

24 data points across 20 retailers

11 retailers$419 NZD to $4,017 NZD

A+
Cheapest Retailer
-
$419 NZD
$236 USD
A
Retailer 2
-
$485 NZD
$273 USD
View
A
Retailer 3
-
$590 NZD
£261 GBP
View
A
Retailer 4
-
$876 NZD
$493 USD
View
B+
Retailer 5
-
$1,674 NZD
$942 USD
View
B+
Retailer 6
-
$1,843 NZD
$1,037 USD
View
B+
Retailer 7
-
$1,933 NZD
$1,088 USD
View
B+
Retailer 8
-
$2,298 NZD
£1,018 GBP
View
B
Retailer 9
-
$3,519 NZD
$1,980 USD
View
B
Retailer 10
-
$4,017 NZD
$2,260 USD
View
Most Expensive
Rare Carat
PD-220450 · Oct 18
$4,328 NZD
$2,435 USD
View
Price last confirmed 14 days ago
10 more retailers have this diamond
Prices start from $419 NZDSave up to $3,597 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A+
1.26ct Radiant
$419 NZD